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• Game Development Resources? [closed]

  - by stas

  I want to make an iPhone game and I was wondering if somebody could point me to some resources. Before you rage and close this, I am not looking for just a tutorial on programming, I could just google that. I need to find a tutorial on how to actually make a game, as in how to organize your code, what type of methods to run in separate threads, how to manage these threads in a game, etc. I already know everything I need; I can write a physics engine from scratch, I can write a 3D graphics pipeline from scratch, and so on. What I cannot figure out is how to combine all of this knowledge into correctly and efficiently making a game. Obviously for this one would probably go to college, but seeing as I am still in high school, that is not an option. If anyone would know some tutorials or resources, any pointers would be appreciated.

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• Massive vehicular network simulator

  - by IvanK

  I am interested in making a vehicular network simulator (vehicular network as in vehicles can be equipped with radios and when they come in range they can talk with each other). I want to be able to scale to 1000s of nodes if not more. I am quite frankly torn on how to do, or even which language to use or whether I should instead be using some other piece of software/code. I know that this should depend on a lot of design decisions that I may have, but it would be great if somebody can point me towards the right direction. I was planning to use a multi-threaded architecture, but not sure whether it will add to the complication or make it easier. Also if I go for a multi-threaded architecutre, do you think that 'Go' language will be a good choice?

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• Is there any complications or side effects for changing final field access/visibility modifier from private to protected?

  - by Software Engeneering Learner

  I have a private final field in one class and then I want to address that field in a subclass. I want to change field access/visibility modifier from private to protected, so I don't have to call getField() method from subclass and I can instead address that field directly (which is more clear and cohessive). Will there be any side effects or complications if I change private to protected for a final field? UPDATE: from logical point of view, it's obvious that descendant should be able to directly access all predecessor fields, right? But there are certain constraints that are imposed on private final fields by JVM, like 100% initialization guarantee after construction phase(useful for concurrency) and so on. So I would like to know, by changing from private to protected, won't that or any other constraints be compromised?

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• How to transfer a domain from 101domain to another registrar ?

  - by Wookai

  A friend of mine bought a domain name on 101domains, and now wants to have his website hosted on my servers. I would like to have full control of the DNS records, and thus would like to change the NS records to point to my DNS server. I can't find how to do that on their control panel. I can access the listing of DNS records for the domain, but cannot change it. Thus, I would like to transfer it to another registrar, that I know allows to do all these changes. How can I do that ?

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• Is there a way to forward emails associated with a domain without a mail server?

  - by MeltingDog

  A client owns example1.com but wants to also purchase example2.com and have it point to their original site at example1.com. No problem there. But they also want any emails going to example2.com to be forwarded to their counter parts at example1.com Eg: if someone emails [email protected] it will be forwarded to [email protected] They only way I can think of doing this at the moment is to set up host for example2.com and then set up mail forwarders in cpanel. But this seems a bit excessive and costly. Does anyone know another, cheaper way of doing this?

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• Restricting A Directory Through .htaccess

  - by Whitechapel

  I'm trying to put all of my FTP accounts into a folder on /public_html/ftp and password protect it so search bots can't crawl their private files. I'm also trying to redirect all site traffic from the non-www to www. I keep getting 500 errors when accessing the site, and I need to point it to www.vivalanation.com/ftp to www.vivalanation.com/ftp/, because the /ftp just errors out, you need the trailing slash. Here is my .htaccess in the /public_html/ftp folder: RewriteEngine on RewriteBase / RewriteCond %{HTTP_HOST} !^www\. [NC] RewriteRule ^(.*)$ http://www.%{HTTP_HOST}/$1 [R=301,L] AuthName "FTP Access" AuthType Basic AuthUserFile /home1/vivalst/.htpasswds/public_html/ftp/passwd Require valid-user I created a passwd file in /.htpasswds/public_html/ftp And here is my basic .htaccess in the root of /public_html/: RewriteEngine on RewriteBase / RewriteCond %{HTTP_HOST} !^www\. [NC] RewriteRule ^(.*)$ http://www.%{HTTP_HOST}/$1 [R=301,L]

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• AdventureWorks2014 installation script

  - by John Paul Cook

  The AdventureWorks2014 sample database is downloadable from here . If you choose to run the script and are unfamiliar with sqlcmd, this post shows you what to do. Be sure to extract the zip file’s contents to a new folder because the instawdb.sql comes with 72 csv files that contain the actual data. If you specify a folder other than the default, you’ll have to change a path in the instawdb.sql script to point to your directory. Figure 1. instawdb.sql script file in SSMS. Notice the 3 lines that...(read more)

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• Quel est le bogue le plus récalcitrant que vous ayez rencontré ? Improbable ou impossible à reproduire, racontez-nous tout

  Quel est le bug le plus récalcitrant que vous ayez rencontré ? Improbable ou impossible à reproduire, racontez-nous votre meilleure histoire de débogage Si le débogage est l'art d'enlever les bogues, la programmation doit être l'art de les créer. Une expression chère à beaucoup de développeurs qui souligne à quel point le débogage d'une application peut être important et... problématique. C'est ce que relate Patrick Thomson, un développeur blogueur qui raconte ce qu'il qualifie de "meilleure histoire de débogage qu'il ait jamais entendue". Il s'agit d'une mésaventure vécue dans les année 80 par le père de l'auteur, avec un ordinateur ancestrale ut...

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• Ubuntu Server 11.10 AMD64: Installation of graphical desktop changes kernel!?

  - by MindGap

  I've a Ubuntu Server 11.10 amd64 installation that needed a graphical desktop to execute some visual apps. While searching for the correct way to achive this, I noticed that there was a lot of people saying that invoquing the gnome desktop installation (apt-get install ubuntu-desktop) would switch from server to desktop kernel. Is this true!? I've checked and the kernel seems to remain unchanged after the install. I need to be sure of this because the desktop flavoured kernel doesn't seem to support the ServeRaid 8K controller sitting on my IBM server and I have no ideia on how to enable support for it. (I'll be grateful if someone could point me a good guide on how to install ubuntu when the storage controller is not detected) Any comment on this matter will be greatly appreciated! Good linuxing!

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• What language should an 11-year old start with to learn game programming?

  - by emsr

  I have a 11-year old son who wants to do game programming. I've started him on C++ (C++11) and he's learned iostreams, looping, functions, logic and flow control. I'm using the standard library and no memory management at all. But I would like to ask: What language would you suggest for a pre-teen (Python, ...)? What books would you suggest? We looked at one book that was just for console ASCII games. I liked the C++ that it taught but I think he'll get bored without some graphics at some point.

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• Just wondering about "Do-It Yourself Apps" on the internet versus apps written by us developers

  - by user657514

  Hi, I have been doing Objective-C programming over the past few weeks, and I have learnt a lot. However, I see that there are other Web-companies offering services to consumers directly from their website that allow consumers to create their apps through a point and click and drag features without any code. Clearly they are more cost effective and fast than having a developer write an app. I was wondering if there are any advantages then of having a developer build an app for someone, other than the obvious advantage that its got a custom look and feel. Could someone please clarify, since Im new and would like to evaluate whether it is worthwhile spending time towards learning a whole new development environment when someone could just use a webservice to make an app for multiple platforms Thanks

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• How to find 2D grid cells swept by a moving circle?

  - by Nevermind

  I'm making a game based on a 2D grid, with some cells passable and some not. Dynamic objects can move continuously, independent of the grid, but need to collide with impassable cells. I wrote an algorithm to trace a ray against the grid, that gives me all cells that ray intersects. However, actual object are not point-sized; I'm currently representing them as circles. But I can't figure out an effective algorithm to trace a moving circle. Here's a picture of what I need: The numbers show in what order the circle collides with grid cells. Does anybody know the algorithm to find these collisions? Preferably in C#. Update The circle can be bigger than a single grid cell.

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• win rt game project to android [closed]

  - by Inderjeet

  I have develop game on windows for winrt in visual studio using cocos2d-x,i just want to port it to android in c++ in the guidance of http://www.jesusbosch.com/2012/06/how-to-set-up-android-and-win32-cocos2d.html this,but i get error while compilling the code on cygwin that errors are below CYGWIN environment variable option "nodosfilewarning" turns off this warning. Consult the user's guide for more details about POSIX paths: http://cygwin.com/cygwin-ug-net/using.html#using-pathnames ERROR: Your GNUMAKE variable is defined to an invalid name: /usr/bin/make Please fix it to point to a valid make executable (e.g. /usr/bin/make) i have install many times cygwin but did not have get make.exe in folder c:/cygwin/usr/bin how can i overcome from this error Thanks Inderjeet Kumar

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• Retrieve the coordinates of the *occluding* (closest/drawn) pixels during 3D overlap, using OpenGL?

  - by Big Rich

  Hi, Sorry if the question is not worded well, I'm a new to both 3D and OpenGL. How could I go about obtaining the 3D coordinates of the occluding object, at the point where occlusion is happening (i.e. the 'intersection' of the object in front/closest to the screen)? Just to offer a [very] rudimentary, visual, example, if you were to form an index-finger cross, with your right hand closest to your face, I'd like to know the coordinates of the part of your right finger which obscures the other finger (obviously back within the OpenGL context - no jokers ;-) ). If there is a way to find out both about the occluder (hider) and the occluded (hidden) objects in OpenGL, then that would be of great use, also. Cheers Rich

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• What web browsers are there for Ubuntu?

  - by Alvar

  I was wondering what web browsers exist for Ubuntu; I don't want to use wine. I just want the ones written for Ubuntu. I know about Firefox and Google Chrome, you don't need to add them as answers. I've never liked the Ubuntu software center because it never has all of the programs that I might want to install and therefore it's not perfect. I just want a list of all the browsers for Ubuntu and what's the point of them. Example: Firefox: open source, and is pre-installed. Please give me only one browser per answer or this will be confusing.

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• Personal Activity Monitor tracks time you spend using desktop apps

  Up until a couple of years ago, I used to turn to RescueTime to figure out how I spend my time online. Then it got too complex, and I stopped using it. Personal Activity Monitor is like a vastly dumbed-down version of RescueTime, and I mean that as a compliment. It's free and bare-bones -- all it does is track what applications you're using and for how long. A big drawback at this point is that it doesn't integrate with Web browsers to help you analyze how you spend your time on the Web. Still, if your work doesn't require constant Web app use, knowing how long you've used a browser overall might be enough to help you manage your time. This is far from the only application in this space -- alternatives such as Slife and Chrometa are full-featured and impressive -- but PAM is good option for those who want a nice, simple tracker.Personal Activity Monitor tracks time you spend using desktop apps originally appeared on Download Squad on Sat, 05 Mar 2011 10:00:00 EST. Please see our terms for use of feeds.Permalink | Email this | Comments

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• What Shading/Rendering techniques are being used in this image?

  - by Rhakiras

  My previous question wasn't clear enough. From a rendering point of view what kind of techniques are used in this image as I would like to apply a similar style (I'm using OpenGL if that matters): http://alexcpeterson.com/ My specific questions are: How is that sun glare made? How does the planet look "cartoon" like? How does the space around the planet look warped/misted? How does the water look that good? I'm a beginner so any information/keywords on each question would be helpful so I can go off and learn more. Thanks

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• Chessin's principles of RAS design

  - by user12608173

  In late 2001 I developed an internal talk on designing hardware for easier error injection, prevention, diagnosis, and correction. (This talk became the basis for my paper on injecting errors for fun and profit.) In that talk (but not in the paper), I articulated 10 principles of RAS design, which I list for you here: Protect everything Correct where you can Detect where you can't Where protection not feasible (e.g., ALUs), duplicate and compare Report everything; never throw away RAS information Allow non-destructive inspection (logging/scrubbing) Allow non-destructive alteration (injection) (that is, only change the bits you want changed, and leave everything else as is) Allow observation of all the bits as they are (logging) Allow alteration of any particular bit or combination of bits (injection) Document everything Of course, it isn't always feasible to follow these rules completely all the time, but I put them out there as a starting point.

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• No analog audio in 13.10

  - by danepowell

  I've installed 13.10 on a machine that was previously running Windows 8, and audio output isn't working out of the box. It worked fine in Windows, and the speakers work fine when hooked up to a laptop, so it must an incompatibility between Ubuntu and the motherboard. If I go to sound settings, "Built-in Audio" is selected (SPDIF is also available). This is an Intel Z77 motherboard with an integrated Creative CA0132 sound chipset. I've tried booting a live image of 13.10 (to check for a corrupt install), and the same problem exists. If I boot a live image of 13.04, the only audio output listed in sound settings is a "dummy" card. I've already tried basic troubleshooting steps, such as removing pulseaudio config directories, force-restarting alsa, and making sure the speakers aren't muted in the alsa mixer. At this point, I'm totally stumped :(

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• How to make a jar file run on startup & and when you log out?

  - by RanZilber

  I have no idea where to start looking. I've been reading about daemons and didn't understand the concept. More details : I've been writing a crawler which never stops and crawlers over RSS in the internet. The crawler has been written in java - therefore its a jar right now. I'm an administrator on a machine that has Ubuntu 11.04 . There is some chances for the machine to crash , so I'd like the crawler to run every time you startup the machine. Furthermore, I'd like it to keep running even when i logged out. I'm not sure this is possible, but most of the time I'm logged out, and I still want to it crawl. Any ideas? Can someone point me in the right direction? Just looking for the simplest solution.

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• Can I use my VirtualBox 3.* VMs with VirtualBox 4.0? If so, how come the repository doesn't have it?

  - by ximbim

  I had the following repository for virtualbox in my /etc/apt/sources.list: deb ttp://download.virtualbox.org/virtualbox/debian maverick non-free Then I found out there was a new version when I opened it today (the program prompted me with a window to manually download it from Oracle's site). Then I tried sudo apt-get update && sudo apt-get upgrade and got nothing. Here you have a way to add virtualbox-4.0 to your apt-get, but the problem is that it isn't updating, meaning I would have the two installed. I'm also worried if I'll have to do something like that each time it updates since that would defeat the point of apt-get. I've been using virtualbox with the apt-get update for more than a year now and this is the first time it has happened, so I was wondering if there would be a way to just update my current installation.

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• In a team practicing Domain Driven Design, should the whole team participate in Stakeholder meetings?

  - by thirdy

  In my experience, a Software Development Team that comprises: 1 Project Manager 1 Tech Lead 1 - 2 Senior Dev 2 - 3 Junior Dev (Fresh grad) Only the Tech Lead & PM (and/or Senor Dev/s) will participate in a meeting with Clients, Domain Experts, Client's technical resource. I can think of the ff potential pitfalls: Important info gets lost Human error (TL/PM might forgot to disseminate info due to pressure or plain human error) Non-verbal info (maybe a presentation using a diagram presented by Domain Expert) Maintaining Ubiquitous language is harder to build since not all team members get to hear the non-dev persons Potential of creative minds are not fully realized (Personally, I am more motivated to think/explore when I am involved with these important meetings) Advantages of this approach: Only one point of contact Less time spent on meetings? Honestly, I am biased & against this approach. I would like to hear your opinions. Is this how you do it in your team? Thanks in advance!

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• Jersey 2.0 Milestone 2 Now Available

  - by arungupta

  Jersey 2.0 milestone 2 is now available. It builds upon the first milestone and adds several new features such as server-side asynchronous processing, server-side content negotiation, improved JAX-RS parameter injection, and several others. The REST endpoints can be published on Java SE HTTP Server, Grizzly 2 HTTP container, and some basic Servlet-based deployments. It also provides HTTPURLConnection-based client API implementation. Read about these and more about what's new in Marek's detailed post. Of course this is also the future reference implementation for JAX-RS 2.0. Feel like trying it out? Simply go to Maven Central (of course none of this is production quality at this point). The latest JAX-RS Javadocs and Jersey 2.0 API docs are good starting points to explore. And provide them feedback at [email protected].

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• My cPanel login is being redirected. How can I resolve this?

  - by Suz

  I'm trying to get to cPanel to manage my website. When I type www.mydomain.com:2082 into the browser window, the request seems to be redirected. I made a screen-cast so I could slow down the changes in the address bar. First it seems to go to http://www.mydomain.com:2082/login then http://www.mydomain.com/cgi-sys/login.cgi At this point, a screen briefly appears which says 'Login attempt failed' and then the address is redirected to https://this22.thishost.com:2083/, which is no relation to my site at all. This looks to me like there has been an attack on the system and the login.cgi file is compromised. Any suggestions on how to analyze this further? or fix it? Of course my 'free hosting' isn't any help at all.

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• Are people getting away with the "follow 1000s and then unfollow" Twitter trick? [closed]

  - by Baumr

  It seems that more and more people are trying to 'cheat' their way into more Twitter followers. The basic mechanism is: Follow thousands of people on Twitter with the hope that they'll follow you back. Once it reaches a point you're happy with, start gradually unfollowing them. That way, at the end of the day, it'll look like a lot of people follow you unconditionally. I've seen self-proclaimed social media and SEO experts do this. It's clear they want to look influential — and will use black hat social media tactics to do so. I can see how it can work, so is Twitter letting them get away with it? Should it?

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